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Partial and total derivatives, integrals in one or more dimensions, series and limits, differential equations, integral transforms, numerical calculus, discrete calculus...

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[?] Solve two ODEs coupled together using NDSolve?

QUESTION FROM: Kai D | 8 years ago BY: Kai D
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
5
REPLIES
4.6K
VIEWS

[?] Make a program that gives the volume of the requested solid?

QUESTION FROM: Godel Einstein | 8 years ago BY: Godel Einstein
Calculus , Curated Data , Geometry , Graphics and Visualization , ...
5
REPLIES
3.7K
VIEWS

Tackle a general elliptic integral?

QUESTION FROM: Kevin May | 8 years ago BY: Henrik Schachner
Calculus , Mathematics , Wolfram Language
5
REPLIES
4.9K
VIEWS

[GIF] Toss (Projectile envelope)

CONTRIBUTED BY: Clayton Shonkwiler | 8 years ago BY: Clayton Shonkwiler
Staff Picks , Calculus , Dynamic Interactivity , Geometry , ...
5
REPLIES
14.1K
VIEWS

Find global and local optima of a function?

QUESTION FROM: Valeriu Ungureanu | 8 years ago BY: Valeriu Ungureanu
Calculus , Optimization , Mathematics , Numerical Computation , ...
5
REPLIES
8.5K
VIEWS

Solve an equation with a Piecewise function?

QUESTION FROM: Pio Tyldens | 8 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
5.8K
VIEWS

lookup result. (Equation Solving)

QUESTION FROM: Mutatis Mutandis | 9 years ago BY: Paul Cleary
Calculus , Equation Solving , Symbolic Computations , Wolfram Language
5
REPLIES
8.3K
VIEWS

Fitting system of Differential equations to a dataset

QUESTION FROM: A Magyar | 9 years ago BY: kirt robinson
Calculus , Chemistry , Mathematica
5
REPLIES
29.1K
VIEWS

Get the solution with NDSolve?

QUESTION FROM: pushpa pandey | 9 years ago BY: Mariusz Iwaniuk
Calculus , Equation Solving , Graphics and Visualization , ...
5
REPLIES
4.3K
VIEWS

Coke bottles from piecewise-defined functions

CONTRIBUTED BY: Jose Gomez | 9 years ago BY: Jose Gomez
Calculus , Education , Graphics and Visualization , Mathematics , ...
5
REPLIES
15.9K
VIEWS

Why do these two integrations produce different results?

QUESTION FROM: Peter Iannucci | 9 years ago BY: S M Blinder
Calculus , Mathematics , Wolfram Language
5
REPLIES
10.7K
VIEWS

Parametrize plots on the imaginary plane to a real axes plane?

QUESTION FROM: Bryan Lettner | 9 years ago BY: Hans Dolhaine
Algebra , Calculus , Equation Solving , Mathematics
5
REPLIES
5.4K
VIEWS

Problem defining two integrals

QUESTION FROM: S G | 9 years ago BY: Hans Dolhaine
Calculus , Mathematics , Wolfram Language
5
REPLIES
4.2K
VIEWS

Difficulties in calculating limits in Wolfram|Alpha

QUESTION FROM: Robson Melo | 9 years ago BY: Robson Melo
Algebra , Calculus , Mathematics , Wolfram|Alpha , Wolfram Language
5
REPLIES
4.7K
VIEWS

Using Reduce function to solve inequality q_2 < c ?

QUESTION FROM: Cédric Cavents | 9 years ago BY: Bill Simpson
Algebra , Calculus , Symbolic Computations , Wolfram Language
5
REPLIES
6.7K
VIEWS

Math - step by step answers

QUESTION FROM: Dana Heston | 9 years ago BY: Stephen De Gabrielle
Calculus , Mathematics , Wolfram|Alpha
5
REPLIES
10.3K
VIEWS

Solving an equation with Root Objects?

QUESTION FROM: Cédric Cavents | 9 years ago BY: Cédric Cavents
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
5
REPLIES
6K
VIEWS

Cumulative definte integral makes kernel run slow

QUESTION FROM: Kaushik Mallick | 9 years ago BY: Kaushik Mallick
Calculus , Optimization , Mathematics , Numerical Computation , ...
5
REPLIES
7.2K
VIEWS

how to integrate a sum series?

CONTRIBUTED BY: eugenio caccaviello | 10 years ago BY: eugenio caccaviello
Calculus , Finance , Wolfram|Alpha
5
REPLIES
17.5K
VIEWS

Boundary differential equation

QUESTION FROM: jack hold | 10 years ago BY: Hans Dolhaine
Calculus , Equation Solving , Wolfram Language
5
REPLIES
4.8K
VIEWS

Why the difference? (Length of curve)

QUESTION FROM: Todor Latev | 10 years ago BY: Todor Latev
Calculus , Mathematics , Wolfram Language
5
REPLIES
5.3K
VIEWS

Integration method used in NIntegrate

QUESTION FROM: Tomas Rihacek | 10 years ago BY: Anton Antonov
Calculus , Mathematica , Numerical Computation , Wolfram Language
5
REPLIES
13.3K
VIEWS

Varying Thickness along curve in ParametricPlot3D

QUESTION FROM: Bryan Lettner | 10 years ago BY: Gianluca Gorni
3D Printing , Calculus , Geometry , Graphics and Visualization , ...
5
REPLIES
10.2K
VIEWS

How to export a graph produced by Manipulate - with CURRENT parameters

QUESTION FROM: Boris Blankleider | 10 years ago BY: Frank N
Calculus , Dynamic Interactivity , Graphics and Visualization , ...
5
REPLIES
28.5K
VIEWS

How to use FindRoot output as input to NDSolve for 1st order DFEQ?

QUESTION FROM: Robert Curl | 10 years ago BY: Robert Curl
Calculus , Economics , Mathematica
5
REPLIES
11K
VIEWS

How to solve this differential equation groups

QUESTION FROM: YU SHANG | 10 years ago BY: YU SHANG
Calculus , Discrete Mathematics , Equation Solving , Mathematica , ...
5
REPLIES
12.2K
VIEWS

A complex number, Replace, Simplifiy, Refine ....

QUESTION FROM: Ahmad Alali | 10 years ago BY: Udo Krause
Algebra , Calculus , Computational Linguistics , Computer Science , ...
5
REPLIES
11.9K
VIEWS

Can mathematica display or verify trig identities?

QUESTION FROM: Alan Smith | 10 years ago BY: Udo Krause
Calculus
5
REPLIES
9.5K
VIEWS

"Plot3D" Not responding to changes in wave function conditions.

QUESTION FROM: Chris Penney | 10 years ago BY: Erik Mahieu
Calculus , Mathematica , Physics , Signal Processing , ...
5
REPLIES
10.4K
VIEWS

Finding result of calc with upto 14 digits exponent

QUESTION FROM: Snake Eater | 10 years ago BY: Snake Eater
Calculus , Computational Systems , Computer Science , ...
5
REPLIES
11.2K
VIEWS

How to fit parameters in a system of coupled differential equations

QUESTION FROM: Roc White | 10 years ago BY: Roc White
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
5
REPLIES
8.7K
VIEWS

integral ( (x^3-1)^(1/2)/x )

QUESTION FROM: aida galeb | 10 years ago BY: aida galeb
Calculus , Mathematica , Mathematics
5
REPLIES
7.1K
VIEWS

Help to solve an integral e^(-x^2)

QUESTION FROM: Alejandra Cardenas | 10 years ago BY: Frank Kampas
Calculus , Education , Engineering , Equation Solving , ...
5
REPLIES
18.1K
VIEWS

How does Mathematica perform numerical calculations?

QUESTION FROM: Luther Nayhm | 10 years ago BY: Daniel Lichtblau
Calculus , Mathematica , Mathematics , Numerical Computation
5
REPLIES
6.3K
VIEWS

Differential Algebraic Equation

QUESTION FROM: Shivi Sv | 10 years ago BY: Shivi Sv
Algebra , Calculus , Equation Solving , Mathematica , Wolfram Language
5
REPLIES
12.5K
VIEWS

Geodesics equation - solving and plotting via Mathematica

QUESTION FROM: michal buday | 10 years ago BY: Todd Rowland
Algebra , Calculus , Equation Solving , Geometry , ...
5
REPLIES
22.5K
VIEWS

FindRoot and two Parametric Functions

QUESTION FROM: Derek Smith | 10 years ago BY: Derek Smith
Calculus , Mathematica , Mathematics
5
REPLIES
9K
VIEWS

Precision in NDSolve

QUESTION FROM: Francois Fayard | 10 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Numerical Computation , ...
5
REPLIES
10.3K
VIEWS

not able to find solution for a system of differential equation

QUESTION FROM: Avinash Aman | 10 years ago BY: Frank Kampas
Calculus , Equation Solving , Mathematica , Wolfram Language
5
REPLIES
7.6K
VIEWS

Higher order derivates: Plotting Problems with orders > 4

QUESTION FROM: Simon Tyran | 11 years ago BY: Simon Tyran
Calculus , Mathematica , Mathematics , Physics , ...
5
REPLIES
10.4K
VIEWS

Reaction Kinetics calculation with 8 equations

QUESTION FROM: Peter Adewale | 11 years ago BY: Peter Adewale
Calculus , Chemical Engineering , Chemistry , Equation Solving , ...
5
REPLIES
15.7K
VIEWS

indefinite integral question with denominator

QUESTION FROM: steve miller | 11 years ago BY: steve miller
Calculus , Wolfram Language
5
REPLIES
3.2K
VIEWS

Plot FFT of an interpolating function

QUESTION FROM: Phil R | 11 years ago BY: Ivan Morozov
Calculus , Graphics and Visualization , Mathematica , Wolfram Language
5
REPLIES
10.7K
VIEWS

Graphing a Quadratic

QUESTION FROM: Jaewon Sim | 11 years ago BY: Dana DeLouis
Calculus , Equation Solving , Graphics and Visualization , ...
5
REPLIES
6.7K
VIEWS

DSolve returns with integration symbol, how to solve it? Thanks!

QUESTION FROM: Jiujiang Wang | 11 years ago BY: Jiujiang Wang
Calculus , Mathematica , Wolfram Language
5
REPLIES
9.2K
VIEWS

How to show step-by-step solutions for Laplace transforms?

QUESTION FROM: George Ayoub | 11 years ago BY: Nasser M. Abbasi
Calculus , Mathematics , Wolfram|Alpha
5
REPLIES
40.9K
VIEWS

Limit of a f(x,y) function

QUESTION FROM: Mitja Jan?i? | 11 years ago BY: David Reiss
Calculus , Mathematica , Wolfram Language
5
REPLIES
4.1K
VIEWS

Problem with NDSolve

QUESTION FROM: Luis Fernando Moura | 11 years ago BY: Luis Fernando Moura
Calculus , Equation Solving , Mathematica , Wolfram Language
5
REPLIES
4.4K
VIEWS

Integrate step by step solution in Wolfram|Alpha

QUESTION FROM: Loukas Pyrg | 11 years ago BY: Frank Kampas
Calculus , Wolfram|Alpha
5
REPLIES
5.4K
VIEWS

Solving system of equations from partial derivatives & Lagrange multipliers

QUESTION FROM: J L | 11 years ago BY: J L
Calculus , Mathematica , Mathematics
5
REPLIES
5K
VIEWS

What is wrong?

QUESTION FROM: taksido | 11 years ago BY: taksido
Calculus , Mathematica
5
REPLIES
2.5K
VIEWS

Taking Derivatives of Experimental Data

QUESTION FROM: A Johnson | 11 years ago BY: David Reiss
Calculus , Mathematica , Numerical Computation , Physics
5
REPLIES
6.2K
VIEWS

Symbolic integral of an integrand containing derivative

QUESTION FROM: Dianta Ginting | 12 years ago BY: Nasser M. Abbasi
Calculus , Mathematica , Mathematics , Wolfram Language
5
REPLIES
6K
VIEWS

Why does Mathematica not solve this simple integral (using units)?

QUESTION FROM: Simon P. | 12 years ago BY: Bruce Miller
Calculus , Engineering , Equation Solving , Mathematica
5
REPLIES
13.7K
VIEWS

Application of Squeeze Theorem

QUESTION FROM: Jessica Blanton | 12 years ago BY: George Woodrow III
Calculus , Mathematica , Mathematics
5
REPLIES
11.6K
VIEWS

3 parameter Weibull distribution integration issues

QUESTION FROM: Chen-Ping Yu | 12 years ago BY: Youngjoo Chung
Calculus , Computer Science , Equation Solving , Mathematica , ...
5
REPLIES
11K
VIEWS

Determining the condition for a rational expression in k to be constant: coefficient ratio analys

QUESTION FROM: Jim Clinton | 2 months ago BY: Jim Clinton
Calculus , Mathematics , Wolfram Language
4
REPLIES
887
VIEWS

[WSRP25] Spin it to win it: modeling the Magnus effect

CONTRIBUTED BY: Zamir Ashraf | 2 months ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Dynamic Interactivity , ...
4
REPLIES
1.3K
VIEWS

Calculation of an integral with a variable lower limit using the trapezoidal method

QUESTION FROM: Yaroslav B | 3 months ago BY: Michael Rogers
Calculus , Graphics and Visualization , Physics , Wolfram Language
4
REPLIES
778
VIEWS

Partial derivative notation and output

QUESTION FROM: dor gelem | 4 months ago BY: dor gelem
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.3K
VIEWS

DSolve crashes on elementary differential equations

QUESTION FROM: Jean-Michel Charles Collard-Richard | 4 months ago BY: Updating Name
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
1.5K
VIEWS

DSolve not working for given system

QUESTION FROM: maxim knyazev | 4 months ago BY: David Keith
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
1.4K
VIEWS

Any way to effectively resolve this integral?

QUESTION FROM: Leslaw Bieniasz | 5 months ago BY: Leslaw Bieniasz
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
1.5K
VIEWS

Help with contour integral method for Fox-H function

QUESTION FROM: Veera Venkata Ramana Kandi | 6 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.3K
VIEWS

What is the cause of the incorrect substitution?

QUESTION FROM: Sami Heidari | 6 months ago BY: Sami Heidari
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
959
VIEWS

Computing Fourier transforms and equivalent integrals

QUESTION FROM: S. Lake | 7 months ago BY: Mariusz Iwaniuk
Calculus , Mathematics , Wolfram|Alpha
4
REPLIES
2.4K
VIEWS

Best solver question?

QUESTION FROM: Jay Gourley | 8 months ago BY: Jay Gourley
Calculus , Equation Solving , Mathematics , ...
4
REPLIES
1.4K
VIEWS

Why is Evaluate[ ] needed for D[ ] inside Plot[ ]?

QUESTION FROM: Jay Gourley | 8 months ago BY: Michael Rogers
Calculus , Graphics and Visualization , Wolfram Language
4
REPLIES
1.9K
VIEWS

A new algorithm for finding Hirota bilinear form (D-Operator) of NPDE?

QUESTION FROM: Salim Mahmood | 9 months ago BY: Salim Mahmood
Calculus , Equation Solving , Mathematics , Physics , Wolfram Language
4
REPLIES
1.6K
VIEWS

Unable to get my critical points even when I have defined the functions properly?

QUESTION FROM: Antam Gill | 10 months ago BY: Hans Milton
Algebra , Calculus , Equation Solving , Mathematics , Wolfram Language
4
REPLIES
1.9K
VIEWS

Calculating an integral with Math. 5.2 and Math. 7.0

QUESTION FROM: Gennaro Flowers | 11 months ago BY: EDITORIAL BOARD
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.1K
VIEWS

FindRoot on initial values of NDSolve has errors but works, why?

QUESTION FROM: Yumin Tian | 11 months ago BY: Antonio Barletta
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.8K
VIEWS

[eBOOK] Introduction to Calculus: fundamental concepts and applications with videos and course

CONTRIBUTED BY: Devendra Kapadia | 11 months ago BY: Paige Vigliarolo
Staff Picks , Calculus , Education , Mathematics , ...
4
REPLIES
7.6K
VIEWS

Need help with general Wolfram Language syntax

QUESTION FROM: Rylan Kim | 11 months ago BY: Michael Rogers
Calculus , Graphics and Visualization , Mathematics , ...
4
REPLIES
2.2K
VIEWS

What does TrapezoidalRule at NIntegrate really do?

QUESTION FROM: Joachim Janezic | 11 months ago BY: Joachim Janezic
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
1.8K
VIEWS

Visualizing chaotic attractors: exploring the intersection of math and art

CONTRIBUTED BY: Athanasios Paraskevopoulos | 1 year ago BY: EDITORIAL BOARD
Staff Picks , Calculus , Computational Humanities , ...
4
REPLIES
3.1K
VIEWS

Help with fixed point iterative schemes

QUESTION FROM: Kapil Dhankhar | 1 year ago BY: Kapil Dhankhar
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.2K
VIEWS

Double integration of a complex function

QUESTION FROM: Orpita Saha | 1 year ago BY: Orpita Saha
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.2K
VIEWS

NDSolveValue error: fewer dependent variables

QUESTION FROM: Abid Hussain | 1 year ago BY: Michael Rogers
Calculus , Equation Solving , Mathematics , Numerical Computation , ...
4
REPLIES
1.6K
VIEWS

NDSolveValue::litarg To avoid possible ambiguity, ... dependent variable in DirichletCondition

QUESTION FROM: David Johnson | 1 year ago BY: Michael Rogers
Calculus , Engineering , Equation Solving , ...
4
REPLIES
1.9K
VIEWS

Double sum with j=i+1 eventual compiling problem

QUESTION FROM: Magox . | 1 year ago BY: Michael Rogers
Calculus , Compilation , Mathematics , Wolfram Language
4
REPLIES
2K
VIEWS

Lateral surface of body of rotation

QUESTION FROM: Jürgen Maczioch | 1 year ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
4
REPLIES
1.5K
VIEWS

Simple position, velocity and acceleration notebook with dimensional checking fails?

QUESTION FROM: James Bowery | 1 year ago BY: Gianluca Gorni
Calculus , Physics , Units , Wolfram Language
4
REPLIES
2.7K
VIEWS

How to evaluate solutions of a first order ODE system while using NDSolve?

QUESTION FROM: Leslaw Bieniasz | 1 year ago BY: Gianluca Gorni
Calculus , Mathematica
4
REPLIES
3.1K
VIEWS

Symbolic matrix inverse takes long time

QUESTION FROM: Leo Murphy | 1 year ago BY: Daniel Lichtblau
Calculus , Mathematica , Mathematics , Physics , Wolfram Community , ...
4
REPLIES
3.4K
VIEWS

Integral plotting error: integral and error estimates are 0 on all integration subregions

QUESTION FROM: Leo Murphy | 1 year ago BY: Leo Murphy
Calculus , Graphics and Visualization , Mathematics , Wolfram Language
4
REPLIES
2.8K
VIEWS

Complex integral solving

QUESTION FROM: Leo Murphy | 1 year ago BY: Leo Murphy
Calculus , Mathematics , Wolfram Language
4
REPLIES
2.1K
VIEWS

Using the Solve[] function with the total differential function Dt[]

QUESTION FROM: Mitchell Sandlin | 1 year ago BY: Michael Rogers
Calculus , Mathematics , Symbolic Computations , Wolfram Language
4
REPLIES
2.5K
VIEWS

3DPlot at discontinuities

QUESTION FROM: Hovhannes Demirtshyan | 1 year ago BY: Francisco Berkemeier
Calculus , Graphics and Visualization
4
REPLIES
6.4K
VIEWS

Error solving initial value problem

QUESTION FROM: Anna Ruffley | 1 year ago BY: Rohit Namjoshi
Calculus , Equation Solving , Mathematics , Symbolic Computations , ...
4
REPLIES
2.6K
VIEWS

Different results for derivative of a function

QUESTION FROM: Icebear 54 | 1 year ago BY: Icebear 54
Calculus , Mathematics , Wolfram Language
4
REPLIES
2K
VIEWS

NIntegrate::slwcon error in Rolf Winter’s problem

QUESTION FROM: Hongyi Zhao | 2 years ago BY: Hongyi Zhao
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
2.6K
VIEWS

Several errors from copied NDSolve code

QUESTION FROM: Mohsin Ahmad Bhat | 2 years ago BY: Mohsin Ahmad Bhat
Calculus , Equation Solving , Graphics and Visualization , ...
4
REPLIES
1.9K
VIEWS

Unexpected output from Integrate

QUESTION FROM: Carlo Wood | 2 years ago BY: Gianluca Gorni
Calculus , Mathematics , Wolfram Language
4
REPLIES
2K
VIEWS

Given the value of error, inverse the value of dt

QUESTION FROM: James James | 2 years ago BY: James James
Calculus , Optimization , Mathematics , Wolfram Language
4
REPLIES
2.6K
VIEWS

Code run in 5 minutes with V12 but runs forever with V13.3

QUESTION FROM: Rafael Nepomechie | 2 years ago BY: Rafael Nepomechie
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
2.4K
VIEWS

Conditions of Integration results are against Assumptions used?

QUESTION FROM: Robert Gray | 2 years ago BY: Robert Gray
Calculus , Wolfram Language
4
REPLIES
2.9K
VIEWS

Limit error in my device, but runs in other

QUESTION FROM: Nitin Solra | 2 years ago BY: Gianluca Gorni
Calculus , Wolfram Language
4
REPLIES
2K
VIEWS

Using Mathematica for fast high-level math learning!

CONTRIBUTED BY: Roger Wells | 2 years ago BY: Roger Wells
Calculus , Education , Mathematics , Wolfram Language
4
REPLIES
4K
VIEWS

Help with double numerical integration (Inverse Fourier and Laplace Transforms)

QUESTION FROM: Daniel Urbanski | 2 years ago BY: Daniel Urbanski
Calculus , Mathematics , Numerical Computation , Wolfram Language
4
REPLIES
2.6K
VIEWS
4
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